*{
    margin: 0 auto;
}
body{
    margin:0;
    padding: 0;
    width:100%;
    height: 100%;
    min-width: 1024px;
}


h2{
    text-align: center;
}
.user{
    width: 80%;
    height: 50px;
    font-size: 24px;
    background-color: #74787c;
    border: #F8F8FF 1px solid;
    padding: 8px 10px;
    border-radius: 4px;

}

.user .span1{
    color:#F8F8FF;
    margin-top: 20px;
}
.user .username{
    color: #AFEEEE;

}
.user .leave{
    color: #F8F8FF;
    float: right;
    text-decoration:none

}
.user a{
    color: #72777b;
    text-decoration: none;
}
.user a:hover{
    color:#FA8072;
}

.well{
    width: 80%;
    height:400px;
    background-color: #F8F8FF;
    margin-top:50px;
    font-size: 24px;
    padding: 8px 10px;

}
.btn-groups{
    margin-top: 50px;
    margin-left: 100px;
}
.btn-groups button{
    font-size: 25px;
    border-radius: 4px;
}
.btn-groups button a{

    color: #72777b;
    text-decoration: none;

}
.btn-groups button a:hover{
    color:#2468a2;
}

.btn-groups .btn2{
    margin-left: 230px;

}